Measuring device for measuring dust in flue gas
A measuring device for measuring dust in flue gas of small-scale furnace installations for solid fuels includes: a measuring probe; a weighing device having a filter device; a heated suction hose connecting the measuring probe to the weighing device; and a weighing module in which the weighing device is arranged. The weighing device is thermally insulated in the weighing module.
1. A measuring device for measuring dust in flue gas of small-scale furnace installations for solid fuels, comprising:
a measuring probe ( 9 );
a weighing device ( 16 ) having a filter device;
a heated suction hose ( 10 ) connecting the measuring probe ( 9 ) to the weighing device ( 16 );
a weighing module ( 5 ) in which the weighing device ( 16 ) is arranged, wherein the weighing device ( 16 ) is thermally insulated in the weighing module ( 5 );
a display-and-control module ( 6 ) connected to the weighing module ( 5 );
a case ( 2 ); and
a telescoping stand ( 4 ),
wherein the weighing module ( 5 ) is self-contained and configured so as to be removable from the case ( 2 ), together with the display-and-control module ( 6 ), via the telescoping stand ( 4 ).
2. The measuring device according to claim 1 , further comprising a heatable sleeve ( 19 ) in the weighing module ( 5 ), wherein the weighing device ( 16 ) is arranged in the heatable sleeve ( 19 ).
3. The measuring device according to claim 2 , wherein the measuring device is configured to heat the weighing device ( 16 ) in a pulsed manner.
4. The measuring device according to claim 2 , further comprising a vibratory tube ( 15 ) arranged in the heatable sleeve ( 19 ), a free end of the vibratory tube ( 15 ) being disposed on a gas outlet side of the measuring device and the vibratory tube ( 15 ) being terminated by a filter cartridge ( 18 ) fitted to the vibratory tube ( 15 ).
5. The measuring device according to claim 1 , wherein the measuring device is configured to heat the suction hose ( 10 ) in a controlled manner.
6. The measuring device according to claim 1 , further comprising a hose temperature sensor ( 13 ) arranged between the weighing device ( 16 ) and the suction hose ( 10 ).
7. The measuring device according to claim 1 , wherein the weighing module ( 5 ) and the display-and-control module ( 6 ) are configured so as to be removable from the telescoping stand ( 4 ).
8. The measuring device according to claim 1 , wherein the case ( 2 ) has a folding case cover ( 3 ) having a flue gas condenser ( 25 ).
9. The measuring device according to claim 1 , wherein the case ( 2 ) has a front flap.